护城河对比
最多三家已覆盖的公司，逐项对照。每一项判断都是人工编辑的判断，而非公司披露的数字——并且每一项都附有其引用依据。
| NVIDIA | Alphabet | Alibaba Group | |
|---|---|---|---|
| 护城河评级 | 宽 宽阔：CUDA 软件平台及其开发者既有用户基础在整个 AI 训练技术栈上形成高昂的转换成本，由累计 $76.7B 研发投入护持，并被 FY2026 约 71% 的毛利率以及同比增长 68% 的数据中心营收（约占总额 90%）所强化——按 FY2026 10-K，这些是持久且难以复制的优势。 | 宽 Google Search commands ~91% of worldwide search (StatCounter, Jun 2026) and Alphabet sustained a 32% consolidated operating margin on $402.8B of FY2025 revenue (FY2025 10-K), evidence of a durable, dominant advantage. | 宽 The FY2026 20-F rests on two entrenched positions: a commerce ecosystem the filing ties to 'the world's largest online retail market' with 'over 1.1 billion Internet users,' and a cloud business whose 'Cloud Intelligence Group's external revenue growth accelerated to 40% in the final quarter of fiscal 2026, with AI-related products accounting for 30% of this revenue.' Two durable franchises under one roof is a wide moat — bounded by China regulation and US ICTS cloud controls the same filing flags. |
| 护城河类型 | 无形资产与知识产权 持久优势建立在专有 IP 与软件之上：可在所有 NVIDIA GPU 上运行的全栈 CUDA 开发平台，加上数百个专有领域库/SDK/API，以及累计 $76.7B 研发投入所带来的 "inventions that are essential to modern computing"（NVIDIA 于 1999 年发明了 GPU）。按 FY2026 10-K 的业务章节，这一优势还被开发者生态系统的网络效应与 CUDA 转换成本进一步强化。 | 网络效应 The 10-K states competing in advertising depends on simultaneously attracting and retaining users, advertisers, and content providers — a three-sided marketplace whose value compounds with scale, the classic network-effect flywheel behind ~85% of Alphabet's revenue. | 网络效应 The 20-F names 'the network effects of our ecosystems' among the factors its business depends on: Taobao and Tmall, Alipay, Amap and the rest compound as buyers, sellers and services reinforce each other across one integrated ecosystem. |
| 领先地位 | 明确领先者 FY2026 Data Center revenue was $193.7B (~90% of the $215.9B total), up 68% YoY on the Blackwell ramp, and NVIDIA describes itself as "a data center scale AI infrastructure company reshaping all industries." The 10-K frames named rivals as parties who "provide or intend to provide" GPUs/accelerators — incumbent-leader positioning. | 明确领先者 Clear leader in its core markets — ~91% of worldwide search and ~69% of mobile OS (StatCounter, Jun 2026) — though only the #3 hyperscaler in cloud infrastructure at ~13%, behind AWS and Azure (Synergy Research, Q2 2025). | 明确领先者 The 20-F claims leadership in applied AI ('strengthened our leadership in applied AI') and roots the commerce business in the world's largest online retail market; Alibaba Cloud is the leading China hyperscaler pivoting to AI, per the segment discussion — a category leader in both its home markets. |
| 定价权 | 强 FY2026 gross margin was 71.1% (75.0% in FY2025); per the 10-K MD&A the ~3.9pt decline reflects the Hopper HGX→Blackwell full-system mix shift and a one-time $4.5B H20 excess-inventory/purchase-obligation charge, not competitive price erosion. A low-70s% hardware gross margin evidences strong pricing power. | 强 A 32% consolidated operating margin held flat 2024→2025 on $402.8B revenue (FY2025 10-K), reflecting strong pricing power in a near-monopoly search-ad auction. | 中等 Ecosystem lock-in and cloud scale support pricing, but the filing warns that if 'user activity and engagement in our ecosystem may decrease … our market share and profitability may be negatively affected,' and Chinese e-commerce/cloud competition is intense — real but capped pricing power. |
| 综述 | NVIDIA 将市场领先的加速计算硬件（Blackwell 数据中心平台）与专有的全栈软件护城河——CUDA 加上数百个领域库——结合起来，由累计 $76.7B 的研发投入支撑；其 "large and growing number of developers and installed base... strengthens our ecosystem and increases the value of our platform for our customers"（FY2026 10-K）。来自 AMD、Intel 与 Huawei 的竞争正在加剧，超大规模云厂商（Alphabet、Amazon、Microsoft）也在自研 AI 芯片，但竞争者必须先跨越 NVIDIA 根深蒂固的 CUDA 软件生态系统才能取而代之。 | Alphabet's core engine is a three-sided advertising marketplace — the FY2025 10-K says competing depends on simultaneously attracting users, advertisers, and content providers — anchored by Google Search's ~91% worldwide share and Android's ~69% mobile-OS share (StatCounter, Jun 2026), which give it unmatched reach and first-party data. That scale converts to profit: a 32% consolidated operating margin on $402.8B of FY2025 revenue. | Alibaba is a commerce network and an AI cloud fused into one ecosystem. The retail side draws its moat from network effects the filing names explicitly, rooted in the world's largest online retail market; the cloud side is pivoting hard into AI — Alibaba Cloud's 'growth engine fully pivots from traditional compute and storage to models, AI compute, and agent services,' anchored by the in-house Qwen family (Qwen3.7-Max 'specifically engineered for agents') and the PAI platform. The 20-F's own framing is 'leading full-stack capabilities across the AI value chain.' The counterweights are structural rather than competitive: a Cayman VIE structure, China's regulatory environment, and the US Commerce Department's proposed ICTS cloud-computing controls the filing discloses. |
| 产业链位置 | Upstream compute-platform supplier: NVIDIA sells full-stack data-center systems (GPU + Arm CPU + DPU + NVLink/InfiniBand networking + CUDA software) to cloud providers and enterprises, and relies on third-party foundry/assembly-test-packaging partners (e.g., SPIL, Amkor, Wistron, Fabrinet). Per the FY2026 10-K, several of its largest customers (hyperscalers such as Amazon, Alphabet, Microsoft) are simultaneously customers and emerging competitors developing internal accelerated-computing silicon. | Full-stack AI player: designs its own TPU accelerators, operates Google Cloud (the #3 hyperscaler), and develops the Gemini frontier models — both a supplier of AI compute and a developer of AI products. | Layer-8 hyperscaler + AI-application incumbent: Alibaba Cloud supplies AI compute and the Qwen models while the commerce ecosystem is a vast applied-AI distribution surface. |
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| 长周期投票 | +0.42 权重 0.20 · 群体判断 bullish 编辑先验，未经回测。 | +0.42 权重 0.20 · 群体判断 bullish 编辑先验，未经回测。 | +0.38 权重 0.20 · 群体判断 neutral 编辑先验，未经回测。 |